*{
  margin: 0;
  padding: 0;
}
.box{
  width: 100%;
  height: 100%;
}
.fz{
  display: flex;
  flex-direction: row-reverse;
}
.di{
  position: fixed;
  bottom: 0;
  display: flex;
  input{
    border: none;
    width: 300px;
  }
  button{
    /* border: none; */
  }
}